/Engine/Source/Editor/Experimental/EditorInteractiveToolsFramework/Public/ToolContexts/ToolStackContext.h
Registers and maps the provided UI command to actions that control a tool within a tool stack
virtual void AddToolToStack ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FUICommandInfo](API\Runtime\Slate\Framework\Commands\FUICommandInfo) > UICommand, const [FString](API\Runtime\Core\Containers\FString) & ToolStackIdentifier, const [FString](API\Runtime\Core\Containers\FString) & ToolIdentifier, [UInteractiveToolBuilder](API\Runtime\InteractiveToolsFramework\UInteractiveToolBuilder) * Builder, EToolsContextScope ToolScope )